Gas sampling apparatus
CA 1062040 A · Owner: Williamson, Lionel H. · Inventors: Williamson, Lionel H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gas sampling method and apparatus for determining the volume of air present in carbonated liquid in bottles and cans and in process lines. The method comprises testing a predetermined quantity of liquid containing CO2 gas by absorbing free CO2 gas evolved from said liquid in a liquid CO2-absorbent solution whereby any air is concentrated as a residual gas and subjecting said liquid CO2-absorbent solution with residual gas in a confined volume under a predetermined compressive force and measuring any resulting volumetric change whereby the volume of air present can be determined.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.